An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

Giant, friendly pelicans in Central London, the most unlikely of places.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

The lab where the scientist made his groundbreaking discoveries is preserved on the basement floor of the Faraday Museum.

This secret garden has bloomed into London's most unique hub of urban creativity.

This South London cemetery holds the remains of more than 15,000 people.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

There's an exclusive Beefeaters pub hidden in the Tower of London.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Accessible only at low tide, the deserted island is dotted with World War II ruins.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

The mystery of this small, brick pond eluded its possibly only investigator until his death.

A hidden tunnel leads to a medieval queen's shrine buried beneath a parking lot.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

A trio of giant megalithic stones in the middle of a golf course.